Thanks for the answer! For the upgrades, i meant for example the "enriched uranium" thing , i had buyed a few so yesterday, the uranium thing was: "4 heat pulse for 120 ticks", today when i opened the game again, it was back "1 heat pulse for 15 ticks". I think that is a bit strange, isn't it?

It is a great game, but there are still a few problems:
* yesterday i stopped playing. The game saved, but when I opened it today, the upgrades I purchased didn't work anymore. I could'nt buy them again, but there benefits were gone.
* So I decided to reset the game and to start over, but that seems to be impossible: by reseting my money went to 0 , so I can't buy anything, so I can't play this game anymore. I think this is very sad...

If you're referring to the heatsink upgrades, which automatically vented heat based on your heat capacity, they've been changed to make your vents more effective the more reactor plating you have. Also, if you have no money, and no components in your grid, the 'sell power' button converts to 'scrounge for cash', which you can click until you can afford a single uranium cell.

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